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  1. Celestron 20X50mm UpClose G2 porro prism

    $51.95
    This Celestron 20 x 50mm UpClose G2 is a very inexpensive, very high power porro prism that's light enough to allow comfortable strain-free extended use while watching football and sports, for vacation travel, for family picnics and week-end trips, and more . . .
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